#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ld long double
#define show(x,y) cout << y << " " << #x << endl;
#define show2(x,y,i,j) cout << y << " " << #x << " " << j << " " << #i << endl;
#define show3(x,y,i,j,p,q) cout << y << " " << #x << " " << j << " " << #i << " " << q << " " << #p << endl;
#define show4(x,y) for(auto it:y) cout << it << " "; cout << #x << endl;
typedef pair<long long,int>pii;
typedef pair<int,pii>pi2;
int n,m;
string arr[3005];
int dp[3005][3005]; //horizontal
int dp2[3005][3005]; //vertical
bool f(int a, int b){
//hori
if(b+1>=m||b-1<0) return false;
return (arr[a][b-1]=='R'&&arr[a][b]=='G'&&arr[a][b+1]=='W');
}
bool f2(int a, int b){
if(a+1>=n||a-1<0) return false;
return (arr[a-1][b]=='R'&&arr[a][b]=='G'&&arr[a+1][b]=='W');
}
void solve(){
cin >> n >> m;
for(int x=0;x<n;x++){
cin >> arr[x];
}
for(int x=0;x<n;x++){
for(int y=m-1;y>=0;y--){
if(x>0){
//notake
int maxi=max(dp[x-1][y+1],dp2[x-1][y+1]);
dp[x][y]=maxi;
dp2[x][y]=maxi;
}
if(f(x,y)){
//take horizontal
if(x==0) dp[x][y]=1;
else{
dp[x][y]=max(dp[x-1][y+1]+1,dp[x][y]);
}
}
if(f2(x,y)){
//take vertical
if(x==0) dp2[x][y]=1;
else{
dp2[x][y]=max(dp2[x-1][y+1]+1,dp2[x][y]);
}
}
//show2(dp[x][y],dp[x][y],dp2[x][y],dp2[x][y]);
}
}
int counter=0;
for(int x=0;x<n;x++){
counter+=max(dp[x][0],dp2[x][0]);
}
for(int y=1;y<m;y++){
counter+=max(dp[n-1][y],dp2[n-1][y]);
}
cout << counter;
}
int32_t main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t=1;
//cin >> t;
while(t--){
solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
560 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
560 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
4704 KB |
Output is correct |
21 |
Correct |
1 ms |
4596 KB |
Output is correct |
22 |
Correct |
1 ms |
4660 KB |
Output is correct |
23 |
Correct |
1 ms |
2648 KB |
Output is correct |
24 |
Correct |
1 ms |
2648 KB |
Output is correct |
25 |
Correct |
1 ms |
2652 KB |
Output is correct |
26 |
Correct |
1 ms |
352 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4452 KB |
Output is correct |
30 |
Correct |
1 ms |
2652 KB |
Output is correct |
31 |
Correct |
1 ms |
2656 KB |
Output is correct |
32 |
Correct |
1 ms |
2652 KB |
Output is correct |
33 |
Correct |
1 ms |
4448 KB |
Output is correct |
34 |
Correct |
1 ms |
4448 KB |
Output is correct |
35 |
Correct |
1 ms |
4596 KB |
Output is correct |
36 |
Correct |
1 ms |
4672 KB |
Output is correct |
37 |
Correct |
1 ms |
4456 KB |
Output is correct |
38 |
Correct |
1 ms |
4452 KB |
Output is correct |
39 |
Correct |
1 ms |
4456 KB |
Output is correct |
40 |
Correct |
1 ms |
4456 KB |
Output is correct |
41 |
Correct |
1 ms |
4456 KB |
Output is correct |
42 |
Correct |
1 ms |
4456 KB |
Output is correct |
43 |
Correct |
1 ms |
4456 KB |
Output is correct |
44 |
Correct |
1 ms |
4456 KB |
Output is correct |
45 |
Correct |
1 ms |
4456 KB |
Output is correct |
46 |
Correct |
1 ms |
4496 KB |
Output is correct |
47 |
Correct |
1 ms |
4440 KB |
Output is correct |
48 |
Correct |
1 ms |
4444 KB |
Output is correct |
49 |
Correct |
1 ms |
4440 KB |
Output is correct |
50 |
Correct |
1 ms |
4440 KB |
Output is correct |
51 |
Correct |
1 ms |
4600 KB |
Output is correct |
52 |
Correct |
1 ms |
4456 KB |
Output is correct |
53 |
Correct |
1 ms |
4456 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
560 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
4704 KB |
Output is correct |
21 |
Correct |
1 ms |
4596 KB |
Output is correct |
22 |
Correct |
1 ms |
4660 KB |
Output is correct |
23 |
Correct |
1 ms |
2648 KB |
Output is correct |
24 |
Correct |
1 ms |
2648 KB |
Output is correct |
25 |
Correct |
1 ms |
2652 KB |
Output is correct |
26 |
Correct |
1 ms |
352 KB |
Output is correct |
27 |
Correct |
1 ms |
4444 KB |
Output is correct |
28 |
Correct |
1 ms |
4444 KB |
Output is correct |
29 |
Correct |
1 ms |
4452 KB |
Output is correct |
30 |
Correct |
1 ms |
2652 KB |
Output is correct |
31 |
Correct |
1 ms |
2656 KB |
Output is correct |
32 |
Correct |
1 ms |
2652 KB |
Output is correct |
33 |
Correct |
1 ms |
4448 KB |
Output is correct |
34 |
Correct |
1 ms |
4448 KB |
Output is correct |
35 |
Correct |
1 ms |
4596 KB |
Output is correct |
36 |
Correct |
1 ms |
4672 KB |
Output is correct |
37 |
Correct |
1 ms |
4456 KB |
Output is correct |
38 |
Correct |
1 ms |
4452 KB |
Output is correct |
39 |
Correct |
1 ms |
4456 KB |
Output is correct |
40 |
Correct |
1 ms |
4456 KB |
Output is correct |
41 |
Correct |
1 ms |
4456 KB |
Output is correct |
42 |
Correct |
1 ms |
4456 KB |
Output is correct |
43 |
Correct |
1 ms |
4456 KB |
Output is correct |
44 |
Correct |
1 ms |
4456 KB |
Output is correct |
45 |
Correct |
1 ms |
4456 KB |
Output is correct |
46 |
Correct |
1 ms |
4496 KB |
Output is correct |
47 |
Correct |
1 ms |
4440 KB |
Output is correct |
48 |
Correct |
1 ms |
4444 KB |
Output is correct |
49 |
Correct |
1 ms |
4440 KB |
Output is correct |
50 |
Correct |
1 ms |
4440 KB |
Output is correct |
51 |
Correct |
1 ms |
4600 KB |
Output is correct |
52 |
Correct |
1 ms |
4456 KB |
Output is correct |
53 |
Correct |
1 ms |
4456 KB |
Output is correct |
54 |
Correct |
1 ms |
2408 KB |
Output is correct |
55 |
Correct |
14 ms |
62056 KB |
Output is correct |
56 |
Correct |
2 ms |
2664 KB |
Output is correct |
57 |
Correct |
11 ms |
42532 KB |
Output is correct |
58 |
Correct |
24 ms |
47976 KB |
Output is correct |
59 |
Correct |
199 ms |
160076 KB |
Output is correct |
60 |
Correct |
190 ms |
160088 KB |
Output is correct |
61 |
Correct |
209 ms |
160156 KB |
Output is correct |
62 |
Correct |
1 ms |
2408 KB |
Output is correct |
63 |
Correct |
174 ms |
159436 KB |
Output is correct |
64 |
Correct |
125 ms |
160112 KB |
Output is correct |
65 |
Correct |
114 ms |
160220 KB |
Output is correct |
66 |
Correct |
101 ms |
160268 KB |
Output is correct |
67 |
Correct |
106 ms |
160100 KB |
Output is correct |
68 |
Correct |
110 ms |
160052 KB |
Output is correct |
69 |
Correct |
129 ms |
159980 KB |
Output is correct |
70 |
Correct |
14 ms |
40784 KB |
Output is correct |
71 |
Correct |
14 ms |
40796 KB |
Output is correct |
72 |
Correct |
18 ms |
39768 KB |
Output is correct |
73 |
Correct |
14 ms |
40796 KB |
Output is correct |
74 |
Correct |
17 ms |
39776 KB |
Output is correct |
75 |
Correct |
14 ms |
40804 KB |
Output is correct |
76 |
Correct |
14 ms |
39772 KB |
Output is correct |
77 |
Correct |
14 ms |
39772 KB |
Output is correct |
78 |
Correct |
18 ms |
40892 KB |
Output is correct |
79 |
Correct |
18 ms |
40808 KB |
Output is correct |
80 |
Correct |
15 ms |
45912 KB |
Output is correct |
81 |
Correct |
17 ms |
40804 KB |
Output is correct |
82 |
Correct |
15 ms |
41832 KB |
Output is correct |
83 |
Correct |
14 ms |
41800 KB |
Output is correct |
84 |
Correct |
14 ms |
40788 KB |
Output is correct |
85 |
Correct |
18 ms |
40792 KB |
Output is correct |
86 |
Correct |
13 ms |
40904 KB |
Output is correct |
87 |
Correct |
14 ms |
40808 KB |
Output is correct |
88 |
Correct |
18 ms |
40764 KB |
Output is correct |
89 |
Correct |
16 ms |
47964 KB |
Output is correct |
90 |
Correct |
16 ms |
41864 KB |
Output is correct |